Ahrefs vs Semrush
A detailed side-by-side comparison to help you choose.
Ahrefs
Comprehensive SEO toolset for backlink analysis, keyword research, site audits, and competitor intelligence
Semrush
Comprehensive SEO and digital marketing platform for keyword research and competitor analysis
Our verdict
We recommend Ahrefs
Both tools are excellent choices, but Ahrefs has a slight edge in our overall scoring.
Feature Comparison
| Feature | Ahrefs | Semrush |
|---|---|---|
| API Access | ||
| Plugins / Extensions | ||
| Image Generation | ||
| Code Execution | ||
| File Upload | ||
| Web Search | ||
| Max Context Window | N/A | N/A |
Pricing Comparison
| Tier | Ahrefs | Semrush |
|---|---|---|
| Free (Webmaster) | Free Site audit and backlink data for verified sites only | Free 1 demo project, 10 reports/day, AI visibility features |
| Starter | $29 1 project, 100 credits/mo, 50 tracked keywords; monthly billing only | $139 5 websites, 500 keywords, position tracking, site audit; $117.33/mo billed annually |
| Lite | $129 5 projects, 500 credits/mo, API v3 access; annual billing saves up to 17% | $199 5 websites, 500 keywords, optimization & competitor tools, MCP access, 50 AI prompts/day; $165.17/mo billed annually |
| Standard | $249 20 projects, expanded limits, Content Explorer; annual billing saves up to 17% | $299 15 websites, 1,500 keywords, historical data, content optimization, 100 AI prompts/day; $248.17/mo billed annually |
| Advanced | $449 50 projects, 5 user seats, API access; annual billing saves up to 17% | $549 40 websites, 5,000 keywords, API access, share of voice, 200 AI prompts/day; $455.67/mo billed annually |
| Enterprise | $1499 Unlimited data & users; annual commitment | — |
Score Breakdown
| Dimension | Ahrefs | Semrush |
|---|---|---|
| Ease of Use | 7.0 | 7.0 |
| Features | 10.0 | 10.0 |
| Value for Money | 7.0 | 6.0 |
| Support | 8.0 | 8.0 |
| Overall | 8.0 | 7.8 |
Pros & Cons
Ahrefs
Pros
- +Industry-leading backlink index with the most comprehensive data
- +Keyword Explorer covers 150+ countries and 10 search engines
- +Site Audit identifies technical SEO issues automatically
- +Content Gap tool reveals competitor keyword opportunities
Cons
- −Most expensive SEO tool at entry level ($129/month)
- −Learning curve is steep for SEO beginners
- −No integrated content writing or AI generation features
Semrush
Pros
- +Most comprehensive SEO toolset on the market
- +Massive keyword and backlink database with 26B+ keywords
- +Excellent competitive analysis and market research tools
- +Content marketing suite with SEO writing assistant
Cons
- −Very expensive — Pro plan starts at $140/month
- −Steep learning curve with overwhelming number of features
- −Free tier is severely limited for meaningful research